Altimmune, Inc.
ALT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001326190
In the last 90 days, Altimmune, Inc. insiders filed 1 open-market purchase and 0 sales; 210 institutions reported holding it in 13F filings for Q2 2026, worth $456.1M in total; Viking Global Investors is the only superinvestor holding it.
13F holders, Q2 2023
Institutional positions in Altimmune, Inc. as of Jun 30, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 120
- −12 vs. Q1 2023
- Shares held
- 35.3M
- −8.12M (−18.7%) vs. Q1 2023
- Total value
- $124.5M
- −$80.9M (−39.4%) vs. Q1 2023
- New holders
- 30
- 38 more added
- Sold out
- 42
- 32 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 210 | $456.1M |
| Q1 2026 | 173 | $213.5M |
| Q4 2025 | 183 | $198.8M |
| Q3 2025 | 159 | $156.4M |
| Q2 2025 | 180 | $145.5M |
| Q1 2025 | 177 | $191.2M |
| Q4 2024 | 183 | $292.3M |
| Q3 2024 | 169 | $243.0M |
| Q2 2024 | 173 | $282.1M |
| Q1 2024 | 171 | $452.2M |
| Q4 2023 | 143 | $377.1M |
| Q3 2023 | 113 | $79.2M |
| Q2 2023 | 120 | $124.5M |
| Q1 2023 | 133 | $205.4M |
| Q4 2022 | 128 | $769.9M |
| Q3 2022 | 122 | $588.1M |
| Q2 2022 | 111 | $466.9M |
| Q1 2022 | 103 | $207.4M |
| Q4 2021 | 102 | $295.8M |
| Q3 2021 | 119 | $375.3M |
| Q2 2021 | 109 | $269.2M |
| Q1 2021 | 98 | $336.5M |
Institutions, Q2 2023
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Northern Trust Corp | 422,436 | $1.49M | 0.00% | +280,397+197.4% | Added |
| Sphera Funds Management Ltd. | 500,000 | $1.76M | 0.38% | +200,000+66.7% | Added |
| D. E. Shaw & Co., Inc. | 504,238 | $1.78M | 0.00% | +504,238 | New |
| Renaissance Technologies LLC | 658,700 | $2.33M | 0.00% | +382,400+138.4% | Added |
| Balyasny Asset Management LLC | 699,527 | $2.47M | 0.01% | +208,839+42.6% | Added |
| State Street Corp | 804,073 | $2.84M | 0.00% | −4,155,181−83.8% | Reduced |
| Qube Research & Technologies Ltd | 910,239 | $3.21M | 0.01% | +227,559+33.3% | Added |
| Millennium Management LLC | 942,094 | $3.33M | 0.00% | −126,651−11.9% | Reduced |
| Two Sigma Advisers, LP | 957,800 | $3.38M | 0.01% | +6,500+0.7% | Added |
| Geode Capital Management, LLC | 969,861 | $3.42M | 0.00% | +487,500+101.1% | Added |
| Two Sigma Investments, LP | 986,820 | $3.48M | 0.01% | −57,367−5.5% | Reduced |
| Ardsley Advisory Partners LP | 1,042,050 | $3.68M | 0.83% | −405,200−28.0% | Reduced |
| Morgan Stanley | 1,080,598 | $3.81M | 0.00% | +295,077+37.6% | Added |
| Avidity Partners Management LP | 1,174,100 | $4.14M | 0.14% | −141,100−10.7% | Reduced |
| Laurion Capital Management LP | 1,839,604 | $6.49M | 0.28% | −1,661,726−47.5% | Reduced |
| Marshall Wace, LLP | 2,059,290 | $7.27M | 0.02% | +462,160+28.9% | Added |
| Tang Capital Management LLC | 2,750,000 | $9.71M | 1.43% | 00.0% | Unchanged |
| Vanguard Group Inc | 3,305,972 | $11.7M | 0.00% | +768,251+30.3% | Added |
| Nuveen Asset Management, LLC | 3,458,949 | $12.2M | 0.00% | +190,888+5.8% | Added |
| BlackRock Inc. | 3,664,274 | $12.9M | 0.00% | +2,270,219+162.9% | Added |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −677,300−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −528,814−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −516,563−100.0% | Sold out |
| Sectoral Asset Management Inc | 0 | $0 | 0.00% | −479,100−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −434,048−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −400,000−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −175,860−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −164,768−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −106,100−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −93,919−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −76,976−100.0% | Sold out |
| Arete Wealth Advisors, LLC | 0 | $0 | 0.00% | −28,427−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −60,657−100.0% | Sold out |
| NinePointTwo Capital | 0 | $0 | 0.00% | −60,482−100.0% | Sold out |
| HAP Trading, LLC | 0 | $0 | 0.00% | −52,113−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −47,785−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −42,122−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −41,372−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −33,495−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −32,695−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −30,435−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −30,066−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −29,334−100.0% | Sold out |
| SeaCrest Wealth Management, LLC | 0 | $0 | 0.00% | −27,353−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −23,986−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −21,662−100.0% | Sold out |
| Vahanian & Associates Financial Planning Inc. | 0 | $0 | 0.00% | −21,430−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −21,271−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −19,356−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −15,144−100.0% | Sold out |
| Arizona State Retirement System | 0 | $0 | 0.00% | −14,244−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −14,000−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −13,987−100.0% | Sold out |
| Boulder Hill Capital Management LP | 0 | $0 | 0.00% | −11,800−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −9,389−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Great West Life Assurance Co | 0 | $0 | 0.00% | −2,465−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −2,077−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −166−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −86−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| ETF Managers Group, LLC | – | – | – | – | Not filed |